﻿#define _CRT_SECURE_NO_WARNINGS 1

//编程初学者入门训练第四十二题
//BC44 判断整数奇偶性
//https://www.nowcoder.com/practice/a8b018667e274af29b5f76a6673450fc?tpId=107&tqId=33325&rp=1&ru=/exam/oj/ta&qru=/exam/oj/ta&sourceUrl=%2Fexam%2Foj%2Fta%3FtpId%3D107&difficulty=undefined&judgeStatus=undefined&tags=&title=

#include <stdio.h>

int main() {
    int n;
    while (scanf("%d", &n) != EOF) {
        if (n % 2 == 0) {
            printf("Even\n");
        }
        else {
            printf("Odd\n");
        }
    }
    return 0;
}